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BOILERS EXAM QUESTIONS AND ANSWERS FULLY SOLVED #9
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BOILERS EXAM QUESTIONS AND ANSWERS FULLY SOLVED#9
Minimum size piping of a water column? - correct answer 1"
Minimun size bottom blowdown on a boiler? - correct answer 1"
Maximun size bottom blowdown on a boiler? - correct answer 2.5"
What does CO2 stand for? - correct answer Carbon dioxide
What does CO stand for? - correct answer Carbon monoxide
What indicates incomplete combustion? - correct answer CO-not enough air
What ASME section do Special High Boilers fall under? - correct answer Section 1
A common type of flame failure will utilize? - correct answer Light sensitivity
Where would you obtain a boiler registration certificate? - correct answer Department of
Labor & Workforce Development
What is the most accurate way of checking the water level in a boiler? - correct answer
Sight glass water level gauge
How can you check the gauge glass level? - correct answer By blowing down glass
Who must you notify when you weld a boiler? - correct answer Boiler Inspector
Repaired steam leaks will? - correct answer Reduce load on boiler
What letter stamp does a high pressure boiler use? - correct answer S
One boiler horsepower is equal to? - correct answer 34.5 LBS. Steam per hour
Minimum horsepower needed to obtain a special boilers license? - correct answer 6
Horsepower
Maximun horsepower a special(white seal) operator can operate up to? - correct answer
100 Horsepower (over 6 & unto 100hp)
What does oxygen cause? - correct answer Pitting
When starting up a cold boiler, it is important to vent all air from the steam space in
order prevent? - correct answer Water hammer
, How often do you test a low water cut off? - correct answer Daily by blowing down the
column
How do you test a low water cut off - correct answer By blowing down the column
How often do you blow down the bottom of your boiler with no chemical analysis? -
correct answer Once every 24 hours
How often are boilers inspected? - correct answer Annually
What valve allows flow in one direction? - correct answer Check valve
What valve prevents reverse flow? - correct answer Check valve
What is the function of the flame failure cut out device? - correct answer Shut off fuel
supply
What valve is allowed between the safety valve and the boiler? - correct answer
None(no valve)
How does a rotary cup burner atomize fuel? - correct answer By use of a spinning cup &
high velocity air
What device measures draft? - correct answer Manometer
What is the purpose of a boiler certificate? - correct answer Prove inspection status
Air must be removed from the boiler to prevent? - correct answer Corrosion
The main purpose of testing a safety valve is to? - correct answer Make sure valve
operates freely
When testing a safety valve by hand you must? - correct answer Have at least 75% of
popping pressure
How often do you test a safety valve? - correct answer Monthly, under pressure
Should a safety valve be tested while under pressure? - correct answer Yes
What automatically puts water into a boiler? - correct answer Automatic feed water
regulator
What does a feed water regulator do? - correct answer It automatically feeds water into
boiler
What stamp is needed for a weld repair? - correct answer R
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